Justin even gave his followers an insight into his celebration last night, posting a video on Shots. In it he's dancing to 50 Cent's In Da Club, which features the line "Go, shawty/ It's your birthday/ We gon' party like it's yo birthday."

Earlier this year Justin appeared on Ellen DeGeneres’ talk show, but uploaded an explanatory video beforehand. In it he explained how the mistakes he's made have affected him and caused him to rethink his behaviour.

“I just wanted to make a video because I wanted to express how I feel right now,” he started in the clip. “Today, I was on Ellen and it was a lot of fun. She’s amazing, it was her birthday, happy birthday Ellen! But I was really nervous. I think I was nervous because I was afraid of what people are thinking about me right now.

“It’s been a minute since I’ve been in a public appearance, and I didn’t want to come off arrogant or conceited or basically how I’ve been acting the past year, year and a half.”

He appeared on Ellen's show again shortly after his first visit, reiterating how much he wants to keep "growing".